Match List I with List II
Show Hint
- A-(III), B-(II), C-(I), D-(IV)
- A-(III), B-(I), C-(II), D-(IV)
- A-(II), B-(IV), C-(I), D-(III)
- A-(III), B-(IV), C-(II), D-(I)
The Correct Option is D
Solution and Explanation
Pairing biological symbiotic structures, organisms, and biochemical compounds.
Step 2: Detailed Explanation:
Matching each item from List I with its corresponding entry in List II:
1. Symbiotic association between root and fungus (A) $\to$ Mycorrhizae (III).
2. Heterocyst (B) $\to$ Specialized thick-walled nitrogen-fixing cells in Cyanobacteria (IV) (e.g., Anabaena, Nostoc).
3. Frankia (C) $\to$ Nitrogen-fixing actinorhizal endosymbiont of non-leguminous woody plants like Casuarina and Alnus (II).
4. Geosmin (D) $\to$ Volatile bicyclic organic compound producing earthy aroma, synthesized by Streptomyces (I).
Step 3: Final Answer:
Matching summary: A $\to$ III, B $\to$ IV, C $\to$ II, D $\to$ I.
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